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2105245344 = 25321929639
BaseRepresentation
bin111110101111011…
…0111111010100000
312102201101112200210
41331132313322200
513302420322334
6544522414120
7103112201346
oct17536677240
95381345623
102105245344
119903a0a94
124a9061340
13277206507
1415d853996
15c4c515e9
hex7d7b7ea0

2105245344 has 24 divisors (see below), whose sum is σ = 5526269280. Its totient is φ = 701748416.

The previous prime is 2105245279. The next prime is 2105245367. The reversal of 2105245344 is 4435425012.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10964724 + ... + 10964915.

It is an arithmetic number, because the mean of its divisors is an integer number (230261220).

Almost surely, 22105245344 is an apocalyptic number.

2105245344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2105245344 is an abundant number, since it is smaller than the sum of its proper divisors (3421023936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105245344 is a wasteful number, since it uses less digits than its factorization.

2105245344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21929652 (or 21929644 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2105245344 is about 45882.9526512843. The cubic root of 2105245344 is about 1281.6444813980.

The spelling of 2105245344 in words is "two billion, one hundred five million, two hundred forty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 21929639 43859278 65788917 87718556 131577834 175437112 263155668 350874224 526311336 701748448 1052622672 2105245344